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Linux Cross Reference
Linux/include/asm-s390/termios.h

Version: ~ [ 2.4.0 ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 /*
  2  *  include/asm-s390/termios.h
  3  *
  4  *  S390 version
  5  *
  6  *  Derived from "include/asm-i386/termios.h"
  7  */
  8 
  9 #ifndef _S390_TERMIOS_H
 10 #define _S390_TERMIOS_H
 11 
 12 #include <asm/termbits.h>
 13 #include <asm/ioctls.h>
 14 
 15 
 16 struct winsize {
 17         unsigned short ws_row;
 18         unsigned short ws_col;
 19         unsigned short ws_xpixel;
 20         unsigned short ws_ypixel;
 21 };
 22 
 23 #define NCC 8
 24 struct termio {
 25         unsigned short c_iflag;         /* input mode flags */
 26         unsigned short c_oflag;         /* output mode flags */
 27         unsigned short c_cflag;         /* control mode flags */
 28         unsigned short c_lflag;         /* local mode flags */
 29         unsigned char c_line;           /* line discipline */
 30         unsigned char c_cc[NCC];        /* control characters */
 31 };
 32 
 33 /* modem lines */
 34 #define TIOCM_LE        0x001
 35 #define TIOCM_DTR       0x002
 36 #define TIOCM_RTS       0x004
 37 #define TIOCM_ST        0x008
 38 #define TIOCM_SR        0x010
 39 #define TIOCM_CTS       0x020
 40 #define TIOCM_CAR       0x040
 41 #define TIOCM_RNG       0x080
 42 #define TIOCM_DSR       0x100
 43 #define TIOCM_CD        TIOCM_CAR
 44 #define TIOCM_RI        TIOCM_RNG
 45 #define TIOCM_OUT1      0x2000
 46 #define TIOCM_OUT2      0x4000
 47 #define TIOCM_LOOP      0x8000
 48 
 49 /* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */
 50 
 51 /* line disciplines */
 52 #define N_TTY           0
 53 #define N_SLIP          1
 54 #define N_MOUSE         2
 55 #define N_PPP           3
 56 #define N_STRIP         4
 57 #define N_AX25          5
 58 #define N_X25           6       /* X.25 async */
 59 #define N_6PACK         7
 60 #define N_MASC          8       /* Reserved for Mobitex module <kaz@cafe.net> */
 61 #define N_R3964         9       /* Reserved for Simatic R3964 module */
 62 #define N_PROFIBUS_FDL  10      /* Reserved for Profibus <Dave@mvhi.com> */
 63 #define N_IRDA          11      /* Linux IR - http://www.cs.uit.no/~dagb/irda/irda.html */
 64 #define N_SMSBLOCK      12      /* SMS block mode - for talking to GSM data cards about SMS messages */
 65 #define N_HDLC         13       /* synchronous HDLC */
 66 
 67 #ifdef __KERNEL__
 68 
 69 /*      intr=^C         quit=^\         erase=del       kill=^U
 70         eof=^D          vtime=\0        vmin=\1         sxtc=\0
 71         start=^Q        stop=^S         susp=^Z         eol=\0
 72         reprint=^R      discard=^U      werase=^W       lnext=^V
 73         eol2=\0
 74 */
 75 #define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0"
 76 
 77 /*
 78  * Translate a "termio" structure into a "termios". Ugh.
 79  */
 80 #define SET_LOW_TERMIOS_BITS(termios, termio, x) { \
 81         unsigned short __tmp; \
 82         get_user(__tmp,&(termio)->x); \
 83         *(unsigned short *) &(termios)->x = __tmp; \
 84 }
 85 
 86 #define user_termio_to_kernel_termios(termios, termio) \
 87 ({ \
 88         SET_LOW_TERMIOS_BITS(termios, termio, c_iflag); \
 89         SET_LOW_TERMIOS_BITS(termios, termio, c_oflag); \
 90         SET_LOW_TERMIOS_BITS(termios, termio, c_cflag); \
 91         SET_LOW_TERMIOS_BITS(termios, termio, c_lflag); \
 92         copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \
 93 })
 94 
 95 /*
 96  * Translate a "termios" structure into a "termio". Ugh.
 97  */
 98 #define kernel_termios_to_user_termio(termio, termios) \
 99 ({ \
100         put_user((termios)->c_iflag, &(termio)->c_iflag); \
101         put_user((termios)->c_oflag, &(termio)->c_oflag); \
102         put_user((termios)->c_cflag, &(termio)->c_cflag); \
103         put_user((termios)->c_lflag, &(termio)->c_lflag); \
104         put_user((termios)->c_line,  &(termio)->c_line); \
105         copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
106 })
107 
108 #define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios))
109 #define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios))
110 
111 #endif  /* __KERNEL__ */
112 
113 #endif  /* _S390_TERMIOS_H */
114 

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